diff --git a/main/ChangeLog_pg.html b/main/ChangeLog_pg.html
index 26246329..3927b64a 100644
--- a/main/ChangeLog_pg.html
+++ b/main/ChangeLog_pg.html
@@ -127,6 +127,8 @@ $(document).ready(function(){initNavTree('ChangeLog_pg.html',''); initResizable(
 <tr>
 <th>Version </th><th>Description  </th></tr>
 <tr>
+<td>1.12.0 </td><td>New version of SDF (Renaming and new feature to make it more developer friendly).   </td></tr>
+<tr>
 <td>1.11.0 </td><td><p class="starttd">Improved documentation.</p>
 <p class="endtd">QR decomposition with Householder transform (float only).   </p>
 </td></tr>
diff --git a/main/footer.js b/main/footer.js
index 4d3c1e24..231c47af 100644
--- a/main/footer.js
+++ b/main/footer.js
@@ -1,7 +1,7 @@
 function writeHeader() {
-    document.write('Version 1.11.1-dev22');
+    document.write('Version 1.12.1-dev4');
 };
 
 function writeFooter()  {
-    document.write('Generated on Fri Sep  9 2022 09:14:20 for CMSIS-DSP 1.11.1-dev22+g89610e3. Copyright &copy; 2022 Arm Limited (or its affiliates). All rights reserved.');
+    document.write('Generated on Tue Sep 13 2022 13:08:20 for CMSIS-DSP 1.12.1-dev4+g06c439f. Copyright &copy; 2022 Arm Limited (or its affiliates). All rights reserved.');
 };
diff --git a/version.js b/version.js
index 28dce804..1ec1375f 100644
--- a/version.js
+++ b/version.js
@@ -1,7 +1,7 @@
 //--- list of versions ---
 const versions = {
+    "main": "1.12.1-dev4",
     "latest": "1.12.0",
-    "main": "1.11.1-dev22",
     "v1.11.0": "1.11.0",
     "v1.10.1": "1.10.1"
 }